Endocrine disruption: thyroid dysfunction in mummichogs (Fundulus heteroclitus) from a polluted habitat

Mummichogs from Piles Creeks, New Jersey, are sluggish and show poorer prey capture and predator avoidance than reference fish from Tuckerton

T Zhou; H.B John-Alder; J.S Weis; P Weis

2002

Scholarcy highlights

  • Mummichogs from Piles Creeks, New Jersey, are sluggish and show poorer prey capture and predator avoidance than reference fish from Tuckerton
  • The behavioral dysfunction of the PC fish may be associated with thyroid impairment due to endocrine disruption
  • TK fish held in simulated PC environments had higher plasma T4 and lower plasma T3 than field-sampled fish
  • PC fish held in clean water had lower plasma T4 and T3 than field-sampled fish
  • There was no significant difference in tissue T3 content
  • The contaminants in PC alter thyroid structure and function, which may relate to the behavioral differences between fish from the polluted and reference sites

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